Home / 92,066.16-138,201.72-47,681.04

Finding the Fourth Proportional to 92,066.16, 138,201.72 and 47,681.04

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Solution

The fourth proportional to 92,066.16, 138,201.72 and 47,681.04 is: 71,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,066.16 : 138,201.72 = 47,681.04 : x
  2. Step 2: Convert to fraction form
    92,066.16/138,201.72 = 47,681.04/x
  3. Step 3: Cross multiply
    92,066.16x = 138,201.72 × 47,681.04
  4. Step 4: Simplify right side
    92,066.16x = 6,589,601,739.39
  5. Step 5: Solve for x
    x = 6,589,601,739.39/92,066.16
  6. Step 6: Final answer
    x = 71,574.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.